DE102020213012A1 - Body reinforcement device for vehicle - Google Patents

Abstract

A body reinforcement device for a vehicle is provided at a connection point where various body members are gathered and connected to each other to couple the body members. Specifically, the body reinforcement device includes: a reinforcement body formed in a 3D lattice structure by a 3D printing process, and having a plurality of elongated portions extending toward the body members; and a fastener integrally formed by inserting the fastener in the 3D printing process with one end of each of the extended portions, and having a first end inserted into the extended portion and integrated with the extended portion, and a second end , which is attached to each of the body elements.

Description

TECHNICAL AREA

The present disclosure relates to a body reinforcement device for a vehicle.

BACKGROUND

The information in this section merely provides background information relating to the present disclosure and may not represent the state of the art.

In general, a vehicle is generally divided into a body and a chassis. The body forms the outer shape of the vehicle and the chassis contains the most important mechanical devices which are desired for propelling the vehicle.

Pillars are installed on the edges of front and rear doors, which are located on opposite sides of the body to support the front and rear doors. The pillars form the overall shape of the body and maintain rigidity of the sides of the body.

The pillars are mostly divided into a front pillar which is arranged in the front-rear direction of a vehicle at a predetermined angle so as to support the front door in contact with the rear end of an engine room on the front side of the body, a center pillar which is arranged vertically between the front door and the rear door and supports the front door and the rear door and the side of the body which is open through the door, and a rear pillar which is coupled to the rear end of the rear door and the rear door and the rear of the Body supports.

The pillars of the vehicle are equipped with a reinforcement device which, in conjunction with the underside of the body, increases the rigidity of the body.

Conventionally, a reinforcement device is made of a material such as steel or aluminum.

The foregoing is merely intended to facilitate understanding of the background to the present disclosure and is not intended to mean that the present disclosure falls within the scope of the prior art, which is already known to those skilled in the art.

SHORT REPRESENTATION

The present disclosure increases rigidity of a body of a vehicle by fabricating a reinforcement body in a 3D lattice structure with a 3D printer. In addition, the reinforcing body increases the rigidity of the body by connecting a plurality of body elements which extend from the body.

In one form of the present disclosure, there is provided a body reinforcement device for a vehicle at a connection point where a plurality of body members are gathered and connected to each other and configured to perform coupling between the body members, the body reinforcement device comprising: a reinforcement body which is formed into a 3D lattice structure by means of 3D printing, and having a plurality of elongated portions which extend towards the body elements; and a fastener integrally formed by inserting the fastener in a 3D printing process with one end of each of the elongated portions, and having a first end inserted into the elongated portion and integrated with the elongated portion, and a second end , which is attached to each of the body elements.

The fastening element can have a hollow column shape and can be configured such that the first end is inserted into and integrated with the extended portion of the reinforcement body by means of 3D printing and the second end is fastened to the body element in an insertable manner.

The first end of the fastener can be inserted into the extended portion and the extended portion can be integrated with the first end of the fastener and at the same time surround an outer peripheral surface of the first end of the fastener.

The body reinforcement device may further include: a coupling part which is integrally formed with the reinforcement body by inserting the coupling part in the 3D printing process and is coupled to an inner plate on a flange side of the body that mates with the door in surface contact with the inner plate.

The coupling part may have a first stepped portion which is formed such that one end of the coupling part is stepped in a predetermined range, and with which the inner plate is in surface contact, and one end of the inner plate may have a second stepped portion formed to correspond to the first stepped portion so that a mounting position of the inner plate and the coupling member by surface contact between the first stepped portion and the second stepped portion may be restricted.

The body reinforcement device can furthermore have: a sealing strip which seals the flange side of the body matching the door, wherein the sealing strip can be connected to the inner plate and the coupling part.

The reinforcement body can be provided as a plurality of reinforcement bodies so that the respective reinforcement bodies can be coupled to opposite sides of the body, and the body elements can have a cross member which connects the reinforcement bodies to one another on opposite sides of the vehicle.

The body reinforcement device may further comprise: a fastening part which is formed integrally with the reinforcing body by inserting the fastening part in the 3D printing process and in which the cross member is inserted so that the cross member can be coupled to the reinforcing bodies on the opposite sides of the body.

The body members may have an extension member which is branched off and extends toward the reinforcement body, and the extension member may have an extended end which is attached to the fastening element and is coupled to the reinforcement body.

The body elements can be formed from an upper element which extends from an upper side of the body in the direction of the reinforcement body, and a lower element which extends from an underside of the body in the direction of the reinforcement body.

The fastener may include: a top fastener attached to a top member; and a lower fastener attached to a lower member.

The 3-D lattice structure may be a structure in which a plurality of points are connected to one another by a plurality of segments.

The 3D lattice structure can be set up such that a length of each of the segments connecting the plurality of points is equal to or less than 10 mm and a diameter of the segment is equal to or less than 3 mm.

The reinforcement body may be configured such that a surface and an interior thereof are formed in the 3D lattice structure that connects the plurality of points with the plurality of segments.

The reinforcing body can be applied to a rear pillar of the body.

The body reinforcement device for the vehicle according to the present disclosure is provided with the reinforcement body that connects a plurality of members extending from the body and thereby has an effect of achieving increased rigidity of the body.

Further, the reinforcing body is made in a 3D lattice structure with a 3D printer, and thereby has an effect of achieving reduced weight and increased rigidity.

Further, the 3-D lattice structure is a structure in which the plurality of points are connected to each other by the plurality of segments, and thereby provides an effect that the reinforcing body can be applied to the position of the body.

Further areas of application are evident from the description provided here. It should be understood that the description and specific examples are provided for illustrative purposes only and are not intended to limit the scope of the present disclosure.

Figure list

• 1 eine perspektivische Ansicht zur Veranschaulichung einer Karosserieverstärkungsvorrichtung für ein Fahrzeug bei Betrachtung von außerhalb einer Karosserie ist;
• 2 eine perspektivische Ansicht zur Veranschaulichung der Karosserieverstärkungsvorrichtung bei Betrachtung von innerhalb der Karosserie ist;
• 3 eine perspektivische Außenansicht zur Veranschaulichung eines Verstärkungskörpers der Karosserieverstärkungsvorrichtung ist;
• 4 eine perspektivische Innenansicht zur Veranschaulichung des Verstärkungskörpers der Karosserieverstärkungsvorrichtung ist;
• 5 eine perspektivische Ansicht zur Veranschaulichung eines Kopplungsteils der Karosserieverstärkungsvorrichtung ist;
• 6 eine Ansicht zur Veranschaulichung dessen ist, dass eine Dichtungsleiste mit einer inneren Platte und dem Kopplungsteil der Karosserieverstärkungsvorrichtung gekoppelt wird;
• 7 eine Ansicht zur Veranschaulichung eines Zustands, nachdem die Dichtungsleiste mit der inneren Platte und dem Kopplungsteil der Karosserieverstärkungsvorrichtung gekoppelt ist, ist;
• 8 eine Schnittansicht bei Betrachtung entlang der Linie A-A in 7 ist; und
• 9 eine vergrößerte Ansicht zur Veranschaulichung einer 3D-Gitterwerkstruktur des Verstärkungskörpers der Karosserieverstärkungsvorrichtung ist.

In order that the disclosure may be properly understood, various forms thereof will now be described, by way of example, reference being made to the accompanying drawings, in which:

• 1 Fig. 13 is a perspective view illustrating a body reinforcement device for a vehicle when viewed from outside a body;
• 2 Fig. 13 is a perspective view illustrating the body reinforcement device as viewed from inside the body;
• 3 Fig. 13 is an external perspective view for illustrating a reinforcement body of the body reinforcement device;
• 4th Fig. 13 is an inside perspective view for illustrating the reinforcement body of the body reinforcement device;
• 5 Fig. 13 is a perspective view for illustrating a coupling part of the body reinforcement device;
• 6th Fig. 3 is a view illustrating that a weatherstrip is coupled to an inner panel and the coupling part of the body reinforcement device;
• 7th Fig. 13 is a view showing a state after the weatherstrip is coupled to the inner plate and the coupling part of the body reinforcement device;
• 8th FIG. 13 is a sectional view as viewed along line AA in FIG 7th is; and
• 9 Fig. 13 is an enlarged view showing a 3D lattice structure of the reinforcement body of the body reinforcement device.

The drawings described herein are for illustrative purposes only and are in no way intended to limit the scope of the present disclosure.

DETAILED DESCRIPTION

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or purposes. It goes without saying that, throughout the drawings, corresponding reference characters identify the same or corresponding parts and features.

The present disclosure can be embodied in many different forms without departing from the spirit and essential characteristics of the present disclosure. Therefore, the forms of the present disclosure are disclosed for illustrative purposes only and should not be construed as limiting the present disclosure.

Reference will now be made in detail to various forms of the present disclosure, specific examples of which are illustrated in the accompanying drawings and described below, since the forms of the present disclosure can be modified in various ways in many different forms. On the other hand, the present disclosure is intended to encompass not only the exemplary forms, but also various alternatives, modifications, equivalents, and other forms that may be included within the spirit and scope of the present disclosure.

It should be understood that although the terms “first (-r, -s)”, “second (-r, -s)”, etc. may be used herein to describe various elements, those elements are not to be limited by these terms should. These terms are only used to distinguish one element from another element. A first element explained below could, for example, be referred to as a second element without deviating from the explanations of the present disclosure. Similarly, the second element could also be referred to as the first element.

It will be understood that when an element is referred to as being "coupled" or "connected" to another element, it can be directly coupled or connected to the other element, or there may be intervening elements therebetween. However, it should be understood that when an element is referred to as being "directly coupled" or "directly connected" to another element, there are no intervening elements present. Additional terms used to explain the relationship between elements, such as “between,” “directly between,” “adjacent to,” or “directly adjacent to,” should be construed in the same way.

The terms used here only serve the purpose of describing specific forms and are not intended to be restrictive. The singular forms “a”, “an” and “der / die / das” used here are intended to include the plural forms as well, unless the context clearly suggests otherwise. It is further understood that the terms “having”, “comprising”, “having” etc., when used in this description, indicate the presence of named features, integers, steps, operations, elements, components and / or combinations thereof, the presence or addition however, do not exclude one or more further features, integers, steps, operations, elements, components and / or combinations thereof.

Unless otherwise defined, all terms used herein, including technical and scientific terms, have the same meaning as those commonly understood by those skilled in the art to which the present disclosure is directed. Furthermore, it is understood that the terms used here should be interpreted to the extent that they have a meaning which is related to their meaning in the context of this description and the and should not be construed in an ideational or excessively formal sense, unless specifically defined herein.

1 Fig. 13 is a perspective view illustrating a body reinforcement device for a vehicle when viewed from outside the body 100 in one form of the present disclosure, 2 Fig. 13 is a perspective view illustrating the body reinforcement device for the vehicle when viewed from inside the body 100 in one form of the present disclosure, 3 Fig. 13 is an external perspective view showing a reinforcing body 200 the body reinforcement device for the vehicle according to one form of the present disclosure, 4th Fig. 13 is an inside perspective view showing the reinforcement body 200 the body reinforcement device for the vehicle according to one form of the present disclosure, 5 Fig. 13 is a perspective view showing a coupling part 400 the body reinforcement device for the vehicle according to one form of the present disclosure, 6th Fig. 3 is a view for illustrating that a weatherstrip 500 with an inner plate 130 and the coupling part 400 coupled to the body reinforcement device for the vehicle in a form of the present disclosure, 7th Fig. 13 is a view showing a state after the weather strip 500 with the inner plate 130 and the coupling part 400 coupled to the body reinforcement device for the vehicle according to a form of the present disclosure, 8th FIG. 13 is a sectional view as viewed along line AA in FIG 7th and 9 Fig. 13 is an enlarged view showing a 3D lattice structure of the reinforcement body 200 the body reinforcement device for the vehicle in some forms of the present disclosure.

The following will describe the body reinforcement device for the vehicle according to an exemplary form of the present disclosure with reference to the accompanying drawings 1 until 9 described.

The body reinforcement device for the vehicle according to the present disclosure is a device for increasing rigidity of the body 100 by coupling a plurality of body elements 110 which extends from a frame of the bodywork 100 are designed to extend to the body 100 to reinforce.

The body reinforcement device for the vehicle according to one form of the present disclosure is a device that is mounted to reinforce a rear pillar of the vehicle and may be mounted on the vehicle to provide a front pillar rather than the rear pillar or the body reinforcement device rather than the foregoing strengthen.

In one form, the body reinforcement device is provided at a connection point where numerous body elements 110 gathered and interconnected to form the body panels 110 to pair. In particular, the body reinforcement device is formed in a 3D lattice structure by means of a 3D printing process. The body reinforcement device for the vehicle includes: at least one reinforcement body 200 with a variety of elongated sections 210 which is in the direction of the body panels 110 extend; and a fastener 300 , which by inserting the fastener 300 in a 3D printing process with the end of each of the elongated sections 210 is integrally formed, and having a first end which extends into the elongated portion 210 is inserted and integrated therewith, and a second end which is attached to each of the body elements 110 is attached.

With reference to the 1 until 4th are to a rigidity of the body 100 to boost that stand out from the bodywork 100 extending body elements 110 formed and the reinforcing body 200 for coupling the body elements 110 is trained. The reinforcement body 200 can be made with a 3D printer and the shape of the reinforcement body 200 can be formed in a 3-D lattice structure in order to further increase rigidity compared to a conventional reinforcement body. Furthermore, the reinforcing body 200 has an effect of enabling a reduced weight as compared with the conventional reinforcing body because the conventional reinforcing body is made of a material such as steel or aluminum. Further, there is an effect of lowering manufacturing cost when the reinforcing body 200 when printing at the time of manufacturing with a 3D printer, simultaneously with parts other than the reinforcing body 200 will be produced.

Furthermore, there is the reinforcing body 200 is made in a 3D latticework structure, an effect in that the reinforcing body 200 in addition to a reinforcement of the rear pillar, which is applied in one form of the present disclosure, to other positions of the body 100 is applicable to the bodywork 100 to reinforce.

Around the reinforcement body 200 and the body elements 110 to couple are the elongated sections 210 provided, which differs from the reinforcement body 200 are formed extending, and each of the elongated portions 210 is provided with the fastener 300 with the first end going into the elongated section 210 is used and thus integrated.

The fastener 300 may extend in the direction in which each of the body elements extends 110 extends, and with the body element 110 be coupled. In one form of the present disclosure, the fastener can 300 by inserting it into the body element 110 but is not limited to being coupled. For example, the body element 110 into the fastener 300 be used or the body element 110 and the fastener 300 can be coupled together by welding or other methods.

The body element 110 may be made in a shape of a hollow shaft, but is not limited thereto. For example, in order to increase rigidity, the body element 110 can be made in a structure in which a rib having a lattice shape in cross section is formed.

The fastener 300 has a hollow columnar shape and is configured to 3D print the first end into the extended portion 210 of the reinforcement body 200 is inserted and integrated therewith and the second end in an insertion manner on the body element 110 is attached.

With reference to the 3 until 4th can the fastener 300 before 3D printing the reinforcement body 200 can be inserted into the 3D printer with a 3D printer and then the reinforcement body 200 3D printed, creating the reinforcement body 200 with the one in the reinforcement body 200 used fastening element 300 will be produced.

This makes it possible for the reinforcing body 200 and the fastener 300 can be made integrally so that a very strong connection can be formed. Furthermore, there is no separate process for coupling the reinforcement body 200 and the fastener 300 additionally required, and thus there is an effect of reducing the number of manufacturing processes.

The first end of the fastener 300 is in the extended section 210 inserted and the extended section 210 is to the first end of the fastener 300 integrates and at the same time surrounds the outer peripheral surface of the first end of the fastening element 300 .

When the reinforcement body 200 is made, the first end of the fastener 300 positioned to be in the elongated section 210 of the reinforcement body 200 to be used, and the extended section 210 is formed and at the same time surrounds the fastener 300 . Thus, there is one effect of creating a very strong connection between the fastener 300 and the extended section 210 can be formed.

The present disclosure further includes the coupling portion 400 on, which by inserting the coupling part 400 in the 3D printing process with the reinforcement body 200 is integrally formed and with the inner plate 130 on the flange side of the body that matches the door 100 in surface contact with the inner plate 130 is coupled.

With reference to the 5 until 6th can if the reinforcing body 200 is produced, the coupling part 400 which is a component other than the fastener 300 is to be inserted into the 3D printer and then the reinforcement body 200 3D printed, creating the coupling part 400 with the reinforcement body 200 may be integrally formed with a portion thereof inserted therein.

This makes it possible for the reinforcing body 200 and the coupling part 400 can be manufactured integrally as a unitary body, so that a very strong connection can be formed. Furthermore, there is no separate process for coupling the reinforcement body 200 and the coupling part 400 additionally required, and thus there is an effect of reducing the number of manufacturing processes.

The coupling part 400 can with the inner plate 130 on the flange side of the body that matches the door 100 in surface contact with the inner plate 130 be coupled. The inner plate 130 can be used as a top inner plate 131 and lower inner plate 132 are made and the ends of the coupling part 400 can with the upper inner plate 131 and the lower inner plate 132 be coupled to the top inner panel 131 and the lower inner panel 132 to connect with each other.

This makes it possible to have an effect of increasing rigidity of the inner plate 130 on the flange side of the body that matches the door 100 provide.

The coupling part 400 has a first stepped section 410 on, which is formed such that one end of the coupling part 400 is graded in a predetermined range, and with which the inner plate 130 in surface contact stands, and the inner plate 130 has one end connected to a second stepped portion 133 which is formed around the first stepped portion 410 so that the mounting position of the inner plate 130 and the coupling part 400 by surface contact between the first stepped section 410 and the second stepped section 133 is limited.

The coupling part 400 may have the end that connects to the inner plate 130 is coupled, and can be connected to the first stepped section 410 which is stepped at the end thereof. The end of the inner plate 130 can with the second tiered section 133 be provided which is formed around the first stepped portion 410 to match so the second stepped section 133 can be mounted to the first stepped section 410 to correspond, whereby a precision in the assembly is increased. The first tiered section 410 and the second stepped section 133 can be made by a coupling method such as welding the point at which the first stepped portion 410 and the second stepped section 133 are mounted in surface contact with each other, can be integrated.

The present disclosure also includes a weatherstrip 500 for sealing the flange side of the body that matches the door 100 on, with the sealing strip 500 with the inner plate 130 and the coupling part 400 is coupled.

The first tiered section 410 can be on each opposite side of the end of the coupling part 400 be formed and the second stepped portion 133 the inner plate 130 can be at the first stepped section 410 assembled and coupled with it, creating the inner panel 130 and the coupling part 400 can be integrally coupled to one another. The sealing strip 500 for sealing the flange side of the vehicle that matches the door, the sealing strip can then be provided 500 can with the inner plate 130 and the coupling part 400 are connected, which are integrally coupled with each other, so that there is an effect that the weatherstrip 500 on the body 100 can be mounted.

The reinforcement body 200 is as a variety of reinforcing bodies 200 provided so that the reinforcing body 200 with opposite sides of the body 100 are coupled, and the body elements 110 have a cross member 120 to connect the reinforcement body 200 on opposite sides of the vehicle.

The respective reinforcement bodies 200 can be on opposite pillars of the body 100 be mounted so that they face each other, and the cross member 120 can be designed to move in the directions of the opposing reinforcing body 200 to extend and the opposite reinforcement body 200 to connect with each other and at the same time to cross the middle of the vehicle. The cross member 120 has an effect of increasing rigidity of the reinforcing bodies 200 by connecting the reinforcement bodies 200 on opposite sides of the body 100 on.

In one form is a fastening part 600 by inserting the fastening part in the 3D printing process with the reinforcement body 200 integrally formed and the cross member 120 is inserted into the fastener so that the cross member 120 with the reinforcement bodies 200 on opposite sides of the body 100 is coupled.

With further reference to the 2 and 4th can the fastening part 600 to the cross member 120 which is the one on opposite sides of the body 100 lying reinforcement body 200 connects, with the reinforcement bodies 200 to couple, together with the fastener 300 before 3D printing the reinforcement body 200 can be inserted into the 3D printer and then the reinforcement body 200 3D printed, making the fastening part 600 with the reinforcement body 200 can be integrally formed. The fastening part 600 can be at a position on the inside of the vehicle of the reinforcement body 200 with the cross member 120 be coupled.

Although the fastening part 600 is described in a manner in which the cross member 120 in the fastening part 600 is used and coupled therewith, the present disclosure is not limited thereto. For example, the fastening part 600 be designed to be supported by the reinforcement body 200 protrude forth, and the fastening part 600 and the cross member 120 can be made by various methods such as a method in which the fastening part 600 in the cross member 120 used and attached to it, are coupled.

The body elements 110 have an extension element 140 on, which is branched off and extends in the direction of the reinforcement body 200 , and the extension element 140 has an extended end which attaches to the fastener 300 is attached and with the reinforcement body 200 is coupled.

The extension element 140 can from the body element 110 be branched and extend in the direction of the reinforcement body 200 and the end of it can be attached to the fastener 300 of the reinforcement body 200 be coupled. This makes it possible to have a coupling force between the body element 110 and the reinforcement body 200 to increase, and thus there is an effect of increasing rigidity of the reinforcing body 200 , the body element 110 and the body 100 .

The body elements 110 indicate a top element 111 , which is from the top of the body 100 in the direction of the reinforcement body 200 extends, and a lower element 112 , which is from the bottom of the body 100 in the direction of the reinforcement body 200 extends.

The body element 110 points to a variety of upper elements 111 extending from an upper pillar of the body 100 in the direction of the reinforcement body 200 are formed extending, and a plurality of lower elements 112 which extends from the flange side of the underside of the body that matches the fender 100 are formed extending so that the upper elements 111 and the lower elements 112 by means of the reinforcement body 200 are connected to each other. This makes it possible to connect the upper and lower sides of the vehicle to each other, thereby providing an effect of increasing rigidity.

The fastener 300 comprises: a top fastener 310 which is attached to each of the above elements 111 is attached; and a lower fastener 320 which is attached to each of the lower elements 112 is attached.

The fastener 300 comprises: the upper fastener 310 which is in one end of an elongated section 210 is inserted, which is in the direction of the upper element 111 extends, and having a first end which is connected to the reinforcement body 200 is integrated, and a second end that connects to the top member 111 is coupled; and the lower fastener 320 which is in one end of an elongated section 210 is used, which is in the direction of the lower element 112 extends, and having a first end which is connected to the reinforcement body 200 is integrated, and a second end which connects to the lower element 112 is coupled.

This makes it possible for the top element 111 and the lower element 112 with the reinforcement body 200 are coupled, and thus there is an effect of increasing the overall rigidity of the body 100 .

The 3-D lattice structure is a structure in which a plurality of points are connected to each other by a plurality of segments.

With reference to the 3 until 4th is the 3D latticework structure that forms the reinforcement body 200 represents a structure in which the plurality of points are connected to the plurality of segments. This makes it possible for the reinforcing body 200 to produce the reinforcement body by means of 3D printing 200 in various shapes in a 3D lattice structure and the body 100 at various vehicle positions other than location as a form of the present disclosure.

The 3D lattice structure is configured such that the length of each of the segments connecting the plurality of points is equal to or less than 10 mm and the diameter of the segment is equal to or less than 3 mm.

With reference to 9 a 3D printing technology requires a support when the angle to the stacking direction is equal to or greater than 45 °. In the 3-D lattice structure according to the present disclosure, however, a compression molding technique that does not require the provision of a support is implemented by designing the length of the segment to be equal to or less than 10 mm and the diameter of the segment to be equal to or less than 3 mm to be applied.

In one form of the present disclosure, the length of the segment is 6 mm and the diameter of the segment is 1 to 2 mm.

The reinforcement body 200 is configured such that the surface and the interior thereof are formed in a 3-D lattice structure that connects the plurality of points with the plurality of segments.

Due to the 3D lattice structure of the surface and the interior of the reinforcement body 200 has the reinforcing body 200 as compared with the conventional reinforcing body, has an increased rigidity and thereby has an effect of resisting the impact of the body member 110 transferred combined load.

The reinforcement body 200 is on the rear pillar of the body 100 applied.

The body reinforcement device for the vehicle according to one form of the present disclosure is made around the rear pillar side of the body 100 to reinforce, and different forms of the present disclosure apply to different positions of the body 100 as well as the rear pillar side of the body 100 applied and thereby provide an effect of strengthening the body 100 ready.

Although the present disclosure has been described in connection with a specific form thereof, it will be apparent to those skilled in the art that various modifications, additions, and substitutions can be made without departing from the scope and spirit of the present disclosure.

Claims (15)

A body reinforcement device for a vehicle, wherein the body reinforcement device is configured to couple body elements and is provided at a connection point at which the body elements are connected to one another, the body reinforcement device comprising: at least one reinforcement body, which is formed by means of a 3D printing process in a three-dimensional (3D) latticework structure, and with a plurality of elongated sections which extend in the direction of the body elements; and a fastener integrally formed by inserting the fastener in the 3D printing process with one end of each elongated portion of the plurality of elongated portions, wherein the fastener has a first end which is inserted into a corresponding elongated portion of the elongated portions and is integrated with the corresponding elongated portion, and a second end which is attached to a corresponding one of the body panels. Body reinforcement device according to Claim 1 wherein the fastener has a hollow columnar shape such that the first end is inserted into and integrated with the corresponding elongated portion in the 3D printing process, and the second end is fastened to the corresponding body member in an insertable manner. Body reinforcement device according to Claim 1 or 2 wherein the first end of the fastener is inserted into the corresponding elongated portion and the corresponding elongated portion is integrated with the first end of the fastener and at the same time surrounds an outer peripheral surface of the first end of the fastener. Body reinforcement device according to one of the preceding claims, further comprising: a coupling part which is integrally formed with the at least one reinforcing body by inserting the coupling part in the 3D printing process, wherein the coupling part makes surface contact with an inner panel on a flange side of the body that mates with the door. Body reinforcement device according to Claim 4 wherein: the coupling part has a first stepped portion formed such that one end of the coupling part is stepped in a predetermined range, the inner plate makes surface contact with the first stepped portion, and one end of the inner plate has a second stepped portion which is configured to correspond to the first stepped portion so that a mounting position of the inner plate and the coupling member is restricted by face contact between the first stepped portion and the second stepped portion. Body reinforcement device according to Claim 4 or 5 , further comprising: a sealing strip which is set up to seal the flange side of the body that mates with the door, wherein the sealing strip is connected to the inner panel and the coupling part. The body reinforcement device according to any one of the preceding claims, wherein the at least one reinforcement body has a plurality of reinforcement bodies so that the respective reinforcement bodies are coupled to opposite sides of the body, and the body elements have cross members which connect reinforcement bodies of the plurality of reinforcement bodies on opposite sides of the vehicle to one another. Body reinforcement device according to Claim 7 , further comprising: a fastening part which is integrally formed by inserting the fastening part in the 3D printing process with a corresponding reinforcing body from the reinforcing bodies, wherein a cross member of the cross members is inserted into the fastening part so that the cross member with the reinforcing bodies on the opposite sides the body is coupled. Body reinforcement device according to one of the preceding claims, wherein the body elements have an extension element which is branched off and extends in the direction of the at least one reinforcement body, and the extension element has an extended end which is attached to the fastening element is attached and is coupled to the at least one reinforcing body. Body reinforcement device according to Claim 9 wherein the fastener comprises: a top fastener attached to a top member; and a lower fastener attached to a lower member. The body reinforcement device according to claim 1, wherein the body elements comprise: an upper element which extends from an upper side of the body in the direction of the at least one reinforcement body, and a lower element which extends from an underside of the body in the direction of the at least one reinforcement body . A body reinforcement device according to any one of the preceding claims, wherein the 3-D lattice structure is a structure in which a plurality of points are interconnected by a plurality of segments. Body reinforcement device according to Claim 12 wherein the 3D lattice structure is configured such that a length of each of the plurality of segments connecting the plurality of points is equal to or less than 10 mm and a diameter of the plurality of segments is equal to or less than 3 mm. Body reinforcement device according to Claim 12 or 13th , wherein the at least one reinforcement body is configured such that a surface and an interior thereof are formed in the 3D lattice structure that connects the plurality of points with the plurality of segments. A body reinforcement device according to any preceding claim, wherein the at least one reinforcement body is applied to a rear pillar of the body.

Images